The first one would be your answer, Imposing British governors in the colonies.
Native Americans were generally disenfrachised, lost power, and were negatively impacted by American expansionism, also known as Manifest Destiny, in this time period.
Events such as the Trail of Tears force the removal of millions of Native Americans over time to unfamiliar land that was often not as suitable as the land they came from. They also died in large numbers due to war and disease.
The answer is a. evolved because if you speak somebody's language you can communicate with them and understanding them